The gig will reunite Chalke with her former Scrubs boss and Cougar Town creator Bill Lawrence and with Christa Miller, who recurred on the medical comedy. Chalke won't be the first Scrubs alum to appear on the show — Zach Braff, Ken Jenkins, Sam Lloyd and Scott Foley have all dropped by Cougar Town.Chalke most recently starred on CBS' short-lived sitcom Mad Love.A premiere date for Cougar Town hasn't been determined yet.